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Sun Certified Web Component Developer for J2EE 5 310-083 exam torrent materials

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SUN 310-083 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Web Container Model	14%	- Request dispatching - Servlet context attributes - Container architecture and responsibilities
Topic 2: JSP Expression Language	10%	- Functions and reserved words - EL syntax and operators - Implicit variables and scope resolution
Topic 3: JSP Technology Model	13%	- JSP elements and syntax - JSP lifecycle and translation - Implicit objects
Topic 4: Web Application Security	11%	- Transport security - Authentication and authorization - Declarative and programmatic security
Topic 5: Web Application Structure and Deployment	12%	- Deployment descriptor (web.xml) - WAR file structure - Context parameters and initialization
Topic 6: Session Management	12%	- URL rewriting, cookies, SSL - Session attributes and listeners - Session lifecycle and tracking
Topic 7: JSP Standard Actions and Custom Tags	13%	- Tag Library Descriptor - Simple and Classic tag handlers - Standard actions
Topic 8: Servlet Technology Model	15%	- Servlet interface and methods - Servlet lifecycle - Request and response handling

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. Click the Exhibit button.
As a maintenance feature, you have created this servlet to allow you to upload and remove files on your web server. Unfortunately, while testing this servlet, you try to upload a file using an HTTP request and on this servlet, the web container returns a 404 status.
What is wrong with this servlet?

A) The servlet constructor must NOT have any parameters.
B) The doPut and doDelete methods do NOT map to the proper HTTP methods.
C) The servlet needs a service method to dispatch the requests to the helper methods.
D) HTTP does NOT support file upload operations.

2. Which ensures that a JSP response is of type "text/plain"?

A) <% response.setEncoding("text/plain"); %>
B) <%@ page contentType="text/plain" %>
C) <% response.setMimeType("text/plain"); %>
D) <%@ page contentEncoding="text/plain" %>
E) <%@ page mimeType="text/plain" %>
F) <%@ page pageEncoding="text/plain" %>

3. In which three directories, relative to a web application's root, may a tag library descriptor file reside when deployed directly into a web application? (Choose three.)

A) /WEB-INF/resources
B) /WEB-INF
C) /META-INF
D) /META-INF/resources
E) /WEB-INF/tlds
F) /META-INF/tlds

4. Which interface must a session attribute implement if it needs to be notified when a web container persists a session?

A) javax.servlet.http.HttpSessionBindingListener
B) javax.servlet.http.HttpSessionActivationListener
C) javax.servlet.http.HttpSessionListener
D) javax.servlet.http.HttpSessionAttributeListener

5. A developer wants a web application to be notified when the application is about to be shut down. Which two actions are necessary to accomplish this goal? (Choose two.)

A) include a listener directive in a JSP page
B) configure a listener in the TLD file using the <listener> element
C) include a class implementing ServletContextListener as part of the web application deployment
D) include a <servlet-destroy> element in the web application deployment descriptor
E) include a class implementing ContextDestroyedListener as part of the web application deployment
F) include a class implementing HttpSessionAttributeListener as part of the web application deployment
G) configure a listener in the application deployment descriptor, using the <listener> element